<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>vue源码</title>
</head>
<body>
<div id="root" type="name">
    <ul>
        <li>111</li>
    </ul>
</div>
<script src="/dist/umd/vue.js"></script>
<script>
    let vm = new Vue({
        el: "#root",
        template: "",
        data() {
            return {
                "a": 111,
                "b": [
                    1,
                    {c:22}
                ]
            }
        },
    })
    vm._data.a = 111;
    vm._data.a = 2222;
</script>
</body>
</html>
